{"id":"CVE-2021-47311","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qcom/emac: fix UAF in emac_remove\n\nadpt is netdev private data and it cannot be\nused after free_netdev() call. Using adpt after free_netdev()\ncan cause UAF bug. Fix it by moving free_netdev() at the end of the\nfunction.","modified":"2026-03-15T22:00:18.406658Z","published":"2024-05-21T15:15:18.590Z","related":["ALSA-2024:4352","SUSE-SU-2024:1979-1","SUSE-SU-2024:1983-1","SUSE-SU-2024:2184-1","SUSE-SU-2024:2362-1","SUSE-SU-2024:2365-1","SUSE-SU-2024:2384-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/b1e091331920f8fbfc747dcbd16263fcd71abb2d"},{"type":"FIX","url":"https://git.kernel.org/stable/c/b560521eca03d0a2db6093a5a632cbdd0a0cf833"},{"type":"FIX","url":"https://git.kernel.org/stable/c/11e9d163d631198bb3eb41a677a61b499516c0f7"},{"type":"FIX","url":"https://git.kernel.org/stable/c/2b70ca92847c619d6264c7372ef74fcbfd1e048c"},{"type":"FIX","url":"https://git.kernel.org/stable/c/4d04a42b926e682140776e54188f4a44f1f01a81"},{"type":"FIX","url":"https://git.kernel.org/stable/c/8a225a6e07a57a1538d53637cb3d82bd3e477839"},{"type":"FIX","url":"https://git.kernel.org/stable/c/ad297cd2db8953e2202970e9504cab247b6c7cb4"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.9"},{"fixed":"4.9.277"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.241"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.19.199"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.4.135"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.53"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.13.5"}]},{"events":[{"introduced":"0"},{"last_affected":"5.14-rc1"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47311.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}